18586401

素因数分解:

$3^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:556

約数の個数: 16

約数和(自身を含む): 25190400

約数和(自身を除く): 6603999

約数列:

[1, 3, 163, 191, 199, 489, 573, 597, 31133, 32437, 38009, 93399, 97311, 114027, 6195467, 18586401]

約数ペア:

[(1, 18586401), (3, 6195467), (163, 114027), (191, 97311), (199, 93399), (489, 38009), (573, 32437), (597, 31133)]